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Inherited attribute is a natural choice in ___________

Variable declarations record is maintained

L values and R values

All of the mentioned

None of the mentioned

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The linker __________

Is similar to interpreter

Uses source code as its input

Is required to create a load module

None of the mentioned

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MCQ

If a state does not know whether it will make a shift operation or reduction for a terminal is called _________

Shift/reduce conflict

Reduce /shift conflict

Shift conflict

Reduce conflict

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MCQ

Consider the grammar.

E ? E + n | E



            
                                                            
                            
                            A
                            
                                n, E + n and E + n                             
                        
                                            
                            
                            B
                            
                                n, E + n and E + n                             
                        
                                            
                            
                            C
                            
                                n, n + n and n + n                             
                        
                                            
                            
                            D
                            
                                n, E + n and E                             
                        
                                                

            
                Correct Answer: D
                E ? E + n {Applying E ? E + n }
? E + E * n {Applying E ? E * n }
? E + n * n {Applying E ? n }
? n + n * n {Applying E ? n }.



        
            
            
                            
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                MCQ            
            
        

        
            
                4.
                In operator precedence parsing whose precedence relations are defined _________
            

            
                                                            
                            
                            A
                            
                                For all pair of non-terminals                            
                        
                                            
                            
                            B
                            
                                For all pair of terminals                            
                        
                                            
                            
                            C
                            
                                To delimit the handle                            
                        
                                            
                            
                            D
                            
                                None of the mentioned                            
                        
                                                

            
                Correct Answer: A
                There are two important properties for these operator precedence parsers is that it does not appear on the right side of any production and no production has two adjacent no terminals.
            
        

        
            
            
                            
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                MCQ            
            
        

        
            
                5.
                Which is the most powerful parser?
            

            
                                                            
                            
                            A
                            
                                SLR                            
                        
                                            
                            
                            B
                            
                                LALR                            
                        
                                            
                            
                            C
                            
                                Canonical LR                            
                        
                                            
                            
                            D
                            
                                Operator PrecedenceThe most powerful parser is Canonical LR                            
                        
                                                

            
                Correct Answer: C
                The most powerful parser is Canonical LR
            
        

        
            
            
                            
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